However, if the potentiometer is set too low, the final amplifier transistor will not be too hot, but the output sound will be distorted.Ĭapacitor C2 used to adjust the low-frequency tone (bass). Potentiometer must be set to get the best sound possible without distorted.īut if the current too high, it will be wasteful of power and the final amplifier transistor becomes very hot. But the current can be adjust with a potentiometer trimmer. This circuit is of the class B type amplifier, meaning that current will continue to flow through the transistor, even when there is no signal input. With a voltage of +55 VDC, the output power produced is around 60 Watts. The final amplifier transistor is arranged with Darlington to produce for high gain. You can see the component values of this circuit are very easy to find even at home. While the maximum signal input voltage is 1 Volt. But the advantages of this amplifier circuit can work with a voltage of 30-60 VDC. The optimal working voltage for this amplifier is +55 Volts. This circuit is designed with a simple and low cost.
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